Weather Records on 23 September 1973

674 weather records were set or tied worldwide on 23 September 1973. Highest significance: Stettler, CA.

Key Facts for 23 September 1973

On 23 September 1973, 674 weather records were set or tied at long-record stations worldwide.
85 were record highs and 160 were record lows, counting maximum and minimum temperature.
By timescale, 0 were all-time records, 11 monthly and 663 daily.
Stettler set a monthly record daily precipitation of 88.1 mm (3.5 in) on 23 September 1973.
Across 169 earlier years (1793 to 2026) the same calendar date averaged 430 records.

Record Map

674 stations

674 station records on 23 September 1973 are marked on the map, coloured by record type. Dot size shows the significance score. Made with Natural Earth.

Weather records on 23 September 1973: highest significance records shown on the map
Station	Country	Type	Value	Significance
Stettler	Canada	Record daily precipitation	88.1 mm (3.5 in)	71 of 100 (Major)
Coraopolis Neville Is	United States	Record daily precipitation	76.5 mm (3.0 in)	62 of 100 (Major)
West Quarter	Australia	Record daily precipitation	58.9 mm (2.3 in)	60 of 100 (Major)
Yallunda Flat (Meetigilly)	Australia	Record daily precipitation	26.2 mm (1.0 in)	57 of 100 (Notable)
Toliness Station	Australia	Record daily precipitation	41.9 mm (1.6 in)	54 of 100 (Notable)
Butler (Anona)	Australia	Record daily precipitation	25.9 mm (1.0 in)	52 of 100 (Notable)
Kenton	United States	Record daily precipitation	81.3 mm (3.2 in)	50 of 100 (Notable)
Kadoka	United States	Record daily precipitation	29.2 mm (1.1 in)	48 of 100 (Notable)
Lorne Peak	Australia	Record daily precipitation	61.0 mm (2.4 in)	45 of 100 (Notable)
Demjanskoe	Russia	Record daily precipitation	35.6 mm (1.4 in)	45 of 100 (Notable)
Lowville	United States	Record daily precipitation	25.9 mm (1.0 in)	44 of 100 (Notable)
Moosomin	Canada	Record daily precipitation	30.2 mm (1.2 in)	43 of 100 (Notable)
Riverdale	United States	Record daily precipitation	36.6 mm (1.4 in)	43 of 100 (Notable)
Frankfort	United States	Record daily precipitation	41.4 mm (1.6 in)	42 of 100 (Notable)
Uccle	Belgium	Record low maximum temperature	11.3 C (52.3 F)	40 of 100 (Notable)
Arhangelsk	Russia	Record low minimum temperature	-5.1 C (22.8 F)	40 of 100 (Notable)
Samary	Russia	Record daily precipitation	27.2 mm (1.1 in)	40 of 100 (Notable)
Eskridge	United States	Record daily precipitation	138.4 mm (5.4 in)	40 of 100 (Notable)
Bingham Canyon	United States	Record daily precipitation	25.9 mm (1.0 in)	40 of 100 (Notable)
Boggabri (Ghoolendaadi)	Australia	Record daily precipitation	27.9 mm (1.1 in)	39 of 100 (Notable)
Conconully	United States	Record daily precipitation	51.3 mm (2.0 in)	39 of 100 (Notable)
Karlstad	Sweden	Record low maximum temperature	7.4 C (45.3 F)	38 of 100 (Notable)
Orebro	Sweden	Record low maximum temperature	7.0 C (44.6 F)	38 of 100 (Notable)
Old Bonalbo Post Office	Australia	Record daily precipitation	45.5 mm (1.8 in)	37 of 100 (Notable)
Caruaru	Brazil	Record daily precipitation	29.0 mm (1.1 in)	37 of 100 (Notable)
Swan River	Canada	Record daily precipitation	30.0 mm (1.2 in)	37 of 100 (Notable)
Premer (Eden Moor)	Australia	Record daily precipitation	30.5 mm (1.2 in)	36 of 100 (Notable)
Vasteras-Hasslo	Sweden	Record low maximum temperature	7.5 C (45.5 F)	36 of 100 (Notable)
Umea	Sweden	Record low minimum temperature	-4.6 C (23.7 F)	36 of 100 (Notable)
Stockholm	Sweden	Record low maximum temperature	7.4 C (45.3 F)	36 of 100 (Notable)
Minnedosa	Canada	Record daily precipitation	25.4 mm (1.0 in)	35 of 100 (Notable)
Poretskoye	Russia	Record daily precipitation	27.4 mm (1.1 in)	35 of 100 (Notable)
Solomons	United States	Record high minimum temperature	24.4 C (75.9 F)	35 of 100 (Notable)
Coonamble (Nardoo)	Australia	Record daily precipitation	35.6 mm (1.4 in)	34 of 100 (Routine)
Orleans	United States	Record high minimum temperature	16.1 C (61.0 F)	34 of 100 (Routine)
Mc Farland	United States	Record daily precipitation	97.8 mm (3.9 in)	34 of 100 (Routine)
Gabriels	United States	Record daily precipitation	28.7 mm (1.1 in)	34 of 100 (Routine)
Waterville	United States	Record daily precipitation	26.7 mm (1.1 in)	34 of 100 (Routine)
Marshall	United States	Record daily precipitation	102.4 mm (4.0 in)	34 of 100 (Routine)
Lismore (Centre Street)	Australia	Record daily precipitation	46.0 mm (1.8 in)	33 of 100 (Routine)
Maple Plain	United States	Record low minimum temperature	0.0 C (32.0 F)	33 of 100 (Routine)
Birtle	Canada	Record daily precipitation	34.0 mm (1.3 in)	32 of 100 (Routine)
Keams Canyon	United States	Record high maximum temperature	31.1 C (88.0 F)	32 of 100 (Routine)
N Bend SW Oregon Rgnl AP	United States	Record high minimum temperature	14.4 C (57.9 F)	32 of 100 (Routine)
Strathalbyn	Australia	Record daily precipitation	27.2 mm (1.1 in)	31 of 100 (Routine)
Whitewood	Canada	Record daily precipitation	30.7 mm (1.2 in)	31 of 100 (Routine)
Farmington	United States	Record low maximum temperature	10.0 C (50.0 F)	31 of 100 (Routine)
Park River	United States	Record daily precipitation	33.5 mm (1.3 in)	31 of 100 (Routine)
Carrollton 3 NNE	United States	Record daily precipitation	35.6 mm (1.4 in)	31 of 100 (Routine)
Kelvin (Kahana)	Australia	Record daily precipitation	27.4 mm (1.1 in)	30 of 100 (Routine)
Niznij Novgorod	Russia	Record low minimum temperature	-2.1 C (28.2 F)	30 of 100 (Routine)
Timovskoe	Russia	Record high maximum temperature	23.9 C (75.0 F)	29 of 100 (Routine)
Addison	United States	Record daily precipitation	35.6 mm (1.4 in)	29 of 100 (Routine)
Cottonwood Weir	United States	Record daily precipitation	35.6 mm (1.4 in)	29 of 100 (Routine)
Lnai Culture & Heritage Ctr	United States	Record low maximum temperature	21.7 C (71.1 F)	29 of 100 (Routine)
Walgett (Dungalear)	Australia	Record daily precipitation	46.2 mm (1.8 in)	28 of 100 (Routine)
Tartu-Toravere	Estonia	Record low maximum temperature	6.3 C (43.3 F)	28 of 100 (Routine)
Vytegra	Russia	Record low minimum temperature	-6.1 C (21.0 F)	28 of 100 (Routine)
Ust Tzilma	Russia	Record low minimum temperature	-4.8 C (23.4 F)	28 of 100 (Routine)
Canaan	United States	Record daily precipitation	51.3 mm (2.0 in)	28 of 100 (Routine)

Counts by Type and Timescale

674 records

Records set or tied on 23 September 1973 by type: Highest daily maximum 29, Lowest daily maximum 103, Highest daily minimum 56, Lowest daily minimum 57, Heaviest daily rainfall 427, Deepest snow cover 2.

Records on 23 September 1973 by type
Record type	Records
Highest daily maximum	29
Lowest daily maximum	103
Highest daily minimum	56
Lowest daily minimum	57
Heaviest daily rainfall	427
Heaviest daily snowfall	0
Deepest snow cover	2

Records on 23 September 1973 by timescale: all-time 0, monthly 11, daily 663.

How Much Records Were Beaten By

585 broken records

Margins by which the 585 broken records beat the old ones, in degrees Celsius for temperature and millimetres for precipitation and snow; the largest margin was 61.8. Ties are not counted.

Top 20 by Significance

23 September 1973

Top 20 records on 23 September 1973 by significance
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
23 September 1973	Stettler, CA	monthly rain	88.1 mm (3.5 in)	38.8 mm (1.5 in)	54 years	71 of 100 (Major)
23 September 1973	Coraopolis Neville Is, US	daily rain	76.5 mm (3.0 in)	61.8 mm (2.4 in)	54 years	62 of 100 (Major)
23 September 1973	West Quarter, AU	daily rain	58.9 mm (2.3 in)	52.5 mm (2.1 in)	48 years	60 of 100 (Major)
23 September 1973	Yallunda Flat (Meetigilly), AU	daily rain	26.2 mm (1.0 in)	18.3 mm (0.7 in)	56 years	57 of 100 (Notable)
23 September 1973	Toliness Station, AU	daily rain	41.9 mm (1.6 in)	34.8 mm (1.4 in)	56 years	54 of 100 (Notable)
23 September 1973	Butler (Anona), AU	daily rain	25.9 mm (1.0 in)	18.0 mm (0.7 in)	22 years	52 of 100 (Notable)
23 September 1973	Kenton, US	daily rain	81.3 mm (3.2 in)	53.6 mm (2.1 in)	12 years	50 of 100 (Notable)
23 September 1973	Kadoka, US	daily rain	29.2 mm (1.1 in)	24.1 mm (0.9 in)	52 years	48 of 100 (Notable)
23 September 1973	Lorne Peak, AU	daily rain	61.0 mm (2.4 in)	53.1 mm (2.1 in)	3 years	45 of 100 (Notable)
23 September 1973	Demjanskoe, RU	daily rain	35.6 mm (1.4 in)	22.8 mm (0.9 in)	7 years	45 of 100 (Notable)
23 September 1973	Lowville, US	daily rain	25.9 mm (1.0 in)	12.4 mm (0.5 in)	74 years	44 of 100 (Notable)
23 September 1973	Moosomin, CA	daily rain	30.2 mm (1.2 in)	14.5 mm (0.6 in)	72 years	43 of 100 (Notable)
23 September 1973	Riverdale, US	daily rain	36.6 mm (1.4 in)	19.6 mm (0.8 in)	52 years	43 of 100 (Notable)
23 September 1973	Frankfort, US	daily rain	41.4 mm (1.6 in)	20.3 mm (0.8 in)	71 years	42 of 100 (Notable)
23 September 1973	Uccle, BE	daily low max	11.3 C (52.3 F)	0.3 C (0.5 F)	128 years	40 of 100 (Notable)
23 September 1973	Arhangelsk, RU	daily low min	-5.1 C (22.8 F)	1.9 C (3.4 F)	88 years	40 of 100 (Notable)
23 September 1973	Samary, RU	daily rain	27.2 mm (1.1 in)	13.9 mm (0.5 in)	34 years	40 of 100 (Notable)
23 September 1973	Eskridge, US	monthly rain	138.4 mm (5.4 in)	32.2 mm (1.3 in)	12 years	40 of 100 (Notable)
23 September 1973	Bingham Canyon, US	daily rain	25.9 mm (1.0 in)	20.3 mm (0.8 in)	19 years	40 of 100 (Notable)
23 September 1973	Boggabri (Ghoolendaadi), AU	daily rain	27.9 mm (1.1 in)	2.0 mm (0.08 in)	91 years	39 of 100 (Notable)

Significance is a score from 0 to 100 combining margin, the age of the old record and the length of the station's record. How it is computed.

The Same Date in Other Years

1793 to 1973

Records set or tied on this calendar date in each year from 1793 to 1973. 1973 had 674 records.

Counts for years before the ledger starts come from the same station rules.

Records on 09-23 in each year
Year	Records
1793	1
1796	1
1799	1
1804	1
1832	1
1835	1
1838	1
1842	3
1843	1
1845	2
1848	1
1849	1
1850	1
1851	2
1854	3
1855	1
1859	2
1864	1
1865	1
1866	1
1868	1
1871	1
1872	1
1874	1
1875	1
1876	1
1877	1
1881	4
1882	2
1885	1
1886	1
1887	1
1888	1
1889	3
1890	2
1891	1
1892	2
1893	4
1895	9
1896	5
1897	1
1898	2
1899	4
1900	4
1901	2
1902	6
1903	7
1904	19
1905	6
1906	6
1907	19
1908	19
1909	15
1910	8
1911	11
1912	15
1913	22
1914	29
1915	25
1916	324
1917	56
1918	34
1919	40
1920	44
1921	47
1922	34
1923	74
1924	194
1925	223
1926	459
1927	247
1928	382
1929	198
1930	472
1931	600
1932	383
1933	281
1934	361
1935	239
1936	377
1937	557
1938	389
1939	279
1940	374
1941	490
1942	557
1943	322
1944	381
1945	652
1946	623
1947	803
1948	259
1949	496
1950	267
1951	462
1952	432
1953	271
1954	324
1955	852
1956	299
1957	539
1958	641
1959	307
1960	470
1961	670
1962	344
1963	568
1964	322
1965	783
1966	528
1967	341
1968	481
1969	450
1970	1,457
1971	578
1972	461
1973	674
1974	1,543
1975	1,038
1976	463
1977	616
1978	500
1979	586
1980	1,037
1981	717
1982	775
1983	1,744
1984	1,121
1985	924
1986	740
1987	1,077
1988	653
1989	1,376
1990	702
1991	519
1992	976
1993	983
1994	1,140
1995	1,868
1996	809
1997	1,060
1998	1,326
1999	1,207
2000	2,026
2001	790
2002	930
2003	1,243
2004	986
2005	1,207
2006	1,509
2007	1,153
2008	835
2009	1,201
2010	1,360
2011	666
2012	785
2013	573
2014	595
2015	587
2016	774
2017	1,371
2018	693
2019	565
2020	618
2021	602
2022	551
2023	812
2024	499
2025	449
2026	384

Download the Data

Data for records on 1973-09-23: CSV or JSON. Field meanings are on the data page.

Sources: Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Made with Natural Earth. Public domain map data. Borders are Natural Earth's de facto depiction. Data as of 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).

Margin	Records
0 to 10	489
10 to 20	73
20 to 30	13
30 to 40	4
40 to 50	2
50 to 60	3
60 to 70	1